DE1279658B - Verfahren zum Granulieren von wasserunloeslichen pulverfoermigen Stoffen - Google Patents

Verfahren zum Granulieren von wasserunloeslichen pulverfoermigen Stoffen

Info

Publication number
DE1279658B
DE1279658B DEC37672A DEC0037672A DE1279658B DE 1279658 B DE1279658 B DE 1279658B DE C37672 A DEC37672 A DE C37672A DE C0037672 A DEC0037672 A DE C0037672A DE 1279658 B DE1279658 B DE 1279658B
Authority
DE
Germany
Prior art keywords
fatty acid
water
insoluble
granulating
esters
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
DEC37672A
Other languages
German (de)
English (en)
Inventor
Dr Christian Rosenthal
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Baerlocher GmbH
Original Assignee
Chemische Werke Muenchen Otto Barlocher GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chemische Werke Muenchen Otto Barlocher GmbH filed Critical Chemische Werke Muenchen Otto Barlocher GmbH
Priority to DEC37672A priority Critical patent/DE1279658B/de
Priority to DE19661669783 priority patent/DE1669783A1/de
Priority to DE19661542067 priority patent/DE1542067A1/de
Priority to DE19661542068 priority patent/DE1542068A1/de
Priority to IL2663866A priority patent/IL26638A/en
Priority to GB5501966A priority patent/GB1178846A/en
Priority to NL6617285A priority patent/NL6617285A/xx
Priority to ES0335129A priority patent/ES335129A1/es
Priority to FR87248A priority patent/FR1505023A/fr
Priority to SE345670A priority patent/SE370706B/xx
Priority to JP8202166A priority patent/JPS4814778B1/ja
Priority to BE691192D priority patent/BE691192A/xx
Priority to CH1787466A priority patent/CH523715A/de
Priority to AT1150466A priority patent/AT282557B/de
Priority to CH1786666A priority patent/CH485804A/de
Priority to CH1787166A priority patent/CH492478A/de
Priority to NL6617761A priority patent/NL145582B/nl
Priority to CS819466A priority patent/CS166212B2/cs
Priority to IL27174A priority patent/IL27174A/xx
Priority to DE19671669831 priority patent/DE1669831A1/de
Priority to AT279067A priority patent/AT283278B/de
Priority to AT279267A priority patent/AT283279B/de
Priority to AT382267A priority patent/AT280958B/de
Priority to NL6803302A priority patent/NL6803302A/xx
Priority to FR145089A priority patent/FR95148E/fr
Priority to BE714286D priority patent/BE714286A/fr
Priority to US725271A priority patent/US3577489A/en
Publication of DE1279658B publication Critical patent/DE1279658B/de
Priority to FR177646A priority patent/FR95837E/fr
Priority to AT1209168A priority patent/AT294014B/de
Priority to FR177944A priority patent/FR95648E/fr
Priority to ES362519A priority patent/ES362519A1/es
Priority to GB1238118D priority patent/GB1238118A/en
Priority to BE744929D priority patent/BE744929R/xx
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/20—Compounding polymers with additives, e.g. colouring
    • C08J3/205—Compounding polymers with additives, e.g. colouring in the presence of a continuous liquid phase
    • C08J3/21—Compounding polymers with additives, e.g. colouring in the presence of a continuous liquid phase the polymer being premixed with a liquid phase
    • C08J3/215—Compounding polymers with additives, e.g. colouring in the presence of a continuous liquid phase the polymer being premixed with a liquid phase at least one additive being also premixed with a liquid phase
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/02—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
    • B01J2/06—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops in a liquid medium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/08—Making granules by agglomerating smaller particles
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • C08J3/16—Powdering or granulating by coagulating dispersions
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
    • C09B67/0071—Process features in the making of dyestuff preparations; Dehydrating agents; Dispersing agents; Dustfree compositions
    • C09B67/0092—Dyes in solid form
    • C09B67/0095—Process features in the making of granulates
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/04—Physical treatment, e.g. grinding, treatment with ultrasonic vibrations
    • C09C3/045—Agglomeration, granulation, pelleting
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/50—Agglomerated particles
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/51—Particles with a specific particle size distribution
    • C01P2004/52—Particles with a specific particle size distribution highly monodisperse size distribution
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2300/00—Characterised by the use of unspecified polymers
    • C08J2300/10—Polymers characterised by the presence of specified groups, e.g. terminal or pendant functional groups
    • C08J2300/102—Polymers characterised by the presence of specified groups, e.g. terminal or pendant functional groups containing halogen atoms
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08J2327/06—Homopolymers or copolymers of vinyl chloride

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Glanulating (AREA)
  • Detergent Compositions (AREA)
DEC37672A 1965-12-14 1965-12-14 Verfahren zum Granulieren von wasserunloeslichen pulverfoermigen Stoffen Pending DE1279658B (de)

Priority Applications (33)

Application Number Priority Date Filing Date Title
DEC37672A DE1279658B (de) 1965-12-14 1965-12-14 Verfahren zum Granulieren von wasserunloeslichen pulverfoermigen Stoffen
DE19661669783 DE1669783A1 (de) 1965-12-14 1966-04-28 Verfahren zur Nassgranulierung von halogenhaltigen Polymeren
DE19661542067 DE1542067A1 (de) 1965-12-14 1966-06-28 Verfahren zum Granulieren von pulverfoermigen Stoffen wie Metallsalzen u.dgl.
DE19661542068 DE1542068A1 (de) 1965-12-14 1966-07-01 Verfahren zur Granulierung wasserunloeslicher pulverfoermiger Stoffe in fluessiger Phase
IL2663866A IL26638A (en) 1965-12-14 1966-10-04 Granulation of water-insoluble or slightly soluble pulverulent substances
GB5501966A GB1178846A (en) 1965-12-14 1966-12-08 Production of Granular Industrial Chemicals
NL6617285A NL6617285A (nl) 1965-12-14 1966-12-09
ES0335129A ES335129A1 (es) 1965-12-14 1966-12-13 Procedimiento para la granulacion de materias pulverulentas dificilmente solubles o insolubles en agua, como sales metalicas y semejantes.
FR87248A FR1505023A (fr) 1965-12-14 1966-12-13 Procédé de granulation de substances pulvérulentes insolubles dans l'eau, tels que les sels métalliques, entre autres
SE345670A SE370706B (nl) 1965-12-14 1966-12-13
JP8202166A JPS4814778B1 (nl) 1965-12-14 1966-12-14
BE691192D BE691192A (nl) 1965-12-14 1966-12-14
CH1787466A CH523715A (de) 1965-12-14 1966-12-14 Verfahren zur Nassgranulierung chlorhaltiger Polymeren
AT1150466A AT282557B (de) 1965-12-14 1966-12-14 Verfahren zur Granulierung von in Wasser schwer- oder unlöslichen, pulverförmigen Metallsalzen oder Pigmenten
CH1786666A CH485804A (de) 1965-12-14 1966-12-14 Verfahren zur Granulierung von halogenhaltigen Polymeren
CH1787166A CH492478A (de) 1965-12-14 1966-12-14 Verfahren zum Granulieren von in Wasser schwer- oder unlöslichen pulverförmigen Stoffen
NL6617761A NL145582B (nl) 1965-12-14 1966-12-19 Werkwijze voor het granuleren van halogeenhoudende polymeren in aanwezigheid van water.
CS819466A CS166212B2 (nl) 1965-12-14 1966-12-21
IL27174A IL27174A (en) 1965-12-14 1966-12-28 Process for the granulation of halogenated polymers
DE19671669831 DE1669831A1 (de) 1965-12-14 1967-03-09 Granulierung harter und weichgemachter halogenhaltiger Polymerer mit Hilfe von Loesungsmitteln
AT279067A AT283278B (de) 1965-12-14 1967-03-23 Verfahren zur Granulierung von halogenhaltigen Polymeren mit Hilfe von Weichmachern und/oder organischen Lösungsmitteln
AT279267A AT283279B (de) 1965-12-14 1967-03-23 Verfahren zur Granulierung von halogenhaltigen Polymeren
AT382267A AT280958B (de) 1965-12-14 1967-04-24 Verfahren zur Granulierung von in Wasser schwer oder unlöslichen, zur Staubbildung neigenden Feststoffen
NL6803302A NL6803302A (nl) 1965-12-14 1968-03-07
FR145089A FR95148E (fr) 1965-12-14 1968-03-22 Procédé de granulation de substances pulvérulentes insolubles dans l'eau, telles que les sels métalliques entre autres.
US725271A US3577489A (en) 1965-12-14 1968-04-26 Method for agglomerating suspended particles
BE714286D BE714286A (nl) 1965-12-14 1968-04-26
FR177646A FR95837E (fr) 1965-12-14 1968-12-11 Procédé de granulation de substances pulvérulentes insolubles dans l'eau, tels que les sels métalliques entre autres.
AT1209168A AT294014B (de) 1965-12-14 1968-12-12 Verfahren zur Granulierung von Polyvinylchlorid und anderen halogenhaltigen Polymeren
FR177944A FR95648E (fr) 1965-12-14 1968-12-12 Procédé de granulation de substances pulvérulentes insolubles dans l'eau, tels que les sels métalliques entre autres.
ES362519A ES362519A1 (es) 1965-12-14 1969-01-15 Procedimiento para la granulacion de pigmentos, colorantes y materiales de relleno.
GB1238118D GB1238118A (nl) 1965-12-14 1969-01-20
BE744929D BE744929R (fr) 1965-12-14 1970-01-26 Procede de granulation et produits

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DEC37672A DE1279658B (de) 1965-12-14 1965-12-14 Verfahren zum Granulieren von wasserunloeslichen pulverfoermigen Stoffen
DEC0038904 1966-04-28
DEC0039466 1966-06-28
DEC0039506 1966-07-01
DEC0040148 1966-09-16

Publications (1)

Publication Number Publication Date
DE1279658B true DE1279658B (de) 1968-10-10

Family

ID=27511965

Family Applications (4)

Application Number Title Priority Date Filing Date
DEC37672A Pending DE1279658B (de) 1965-12-14 1965-12-14 Verfahren zum Granulieren von wasserunloeslichen pulverfoermigen Stoffen
DE19661669783 Pending DE1669783A1 (de) 1965-12-14 1966-04-28 Verfahren zur Nassgranulierung von halogenhaltigen Polymeren
DE19661542067 Pending DE1542067A1 (de) 1965-12-14 1966-06-28 Verfahren zum Granulieren von pulverfoermigen Stoffen wie Metallsalzen u.dgl.
DE19661542068 Pending DE1542068A1 (de) 1965-12-14 1966-07-01 Verfahren zur Granulierung wasserunloeslicher pulverfoermiger Stoffe in fluessiger Phase

Family Applications After (3)

Application Number Title Priority Date Filing Date
DE19661669783 Pending DE1669783A1 (de) 1965-12-14 1966-04-28 Verfahren zur Nassgranulierung von halogenhaltigen Polymeren
DE19661542067 Pending DE1542067A1 (de) 1965-12-14 1966-06-28 Verfahren zum Granulieren von pulverfoermigen Stoffen wie Metallsalzen u.dgl.
DE19661542068 Pending DE1542068A1 (de) 1965-12-14 1966-07-01 Verfahren zur Granulierung wasserunloeslicher pulverfoermiger Stoffe in fluessiger Phase

Country Status (11)

Country Link
JP (1) JPS4814778B1 (nl)
AT (4) AT282557B (nl)
BE (2) BE691192A (nl)
CH (3) CH492478A (nl)
CS (1) CS166212B2 (nl)
DE (4) DE1279658B (nl)
FR (1) FR1505023A (nl)
GB (1) GB1178846A (nl)
IL (1) IL26638A (nl)
NL (2) NL6617285A (nl)
SE (1) SE370706B (nl)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0017827A1 (de) * 1979-04-04 1980-10-29 Chemische Werke München Otto Bärlocher GmbH Verfahren zur Herstellung von Metallseifen

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7402981A (nl) * 1973-03-16 1974-09-18
DK152371C (da) * 1975-01-08 1988-07-25 Ciba Geigy Ag Organisk pigmentpraeparat
FR2446852A1 (fr) * 1979-01-19 1980-08-14 Ugine Kuhlmann Compositions pigmentaires a base de phtalocyanines de cuivre et leur procede de fabrication
DE2939999A1 (de) * 1979-10-03 1981-04-09 Degussa Ag, 6000 Frankfurt Verfahren zur herstellung von geperlten ferrocyanblau-pigmenten
DE3020255C2 (de) * 1980-05-28 1983-12-22 Chemische Werke München Otto Bärlocher GmbH, 8000 München Verfahren zum Herstellen von nichtstaubenden, gleitmittelarmen basischen und/oder neutralen Metallsalzen und/oder -seifen
FR2508430B1 (nl) * 1981-06-25 1985-12-13 Ici Francolor
US4569991A (en) * 1982-01-26 1986-02-11 Mitsubishi Monsanto Chemical Company Production of thermoplastic resin
GB8616453D0 (en) * 1986-07-05 1986-08-13 Imp Smelting Processes Agglomeration of oxidic & metallic solids
FR2714326B1 (fr) * 1993-12-28 1996-03-01 Luzenac Talc Procédé de traitement d'une poudre de talc en vue de l'incorporer dans une matière, en particulier matière thermoplastique.
CN112354485A (zh) * 2020-11-11 2021-02-12 河北小蜜蜂工具集团有限公司 一种用于造粒胶的溶解剂、造粒胶以及造粒胶的应用

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0017827A1 (de) * 1979-04-04 1980-10-29 Chemische Werke München Otto Bärlocher GmbH Verfahren zur Herstellung von Metallseifen
DE2913592A1 (de) * 1979-04-04 1980-10-30 Baerlocher Chem Verfahren zur herstellung von metallseifen

Also Published As

Publication number Publication date
DE1669783A1 (de) 1970-10-29
FR1505023A (fr) 1967-12-08
BE744929R (fr) 1970-07-01
CH485804A (de) 1970-02-15
AT280958B (de) 1970-05-11
AT282557B (de) 1970-07-10
AT283279B (de) 1970-07-27
NL6617761A (nl) 1968-03-18
DE1542067A1 (de) 1970-03-12
AT283278B (de) 1970-07-27
NL145582B (nl) 1975-04-15
GB1178846A (en) 1970-01-21
CH523715A (de) 1972-06-15
CS166212B2 (nl) 1976-02-27
IL26638A (en) 1970-12-24
JPS4814778B1 (nl) 1973-05-10
DE1542068A1 (de) 1970-03-12
CH492478A (de) 1970-06-30
BE691192A (nl) 1967-05-16
NL6617285A (nl) 1967-06-15
SE370706B (nl) 1974-10-28

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